Panasonic Rs-856 User manual

ORDER

NO.

ARD81070076C4-07

8-Track

Tape

Deck

—

RS-856

Stereo

8-Track

Record/Playback

Deck

—

with

LED

Level

Meters

RQ-831

MECHANISM

SERIES

Specifications

Track

system:

8-track

2-channel

stereo

recording

and

playback

Recording

system:

AC

bias

(40

kHz)

Tape

speed:

9.5cm/s

(3-3/4

ips.)

Wow

and

flutter:

0.15%

(WRMS)

Tape:

&-track

cartridge

tape

Frequency

response:

50

—

12,000

Hz

Signal-to-noise

ratio:

45

dB

Inputs:

2-Mic:

=72

dB

(0.2

mV)/200

—

1,000

2-Line:

—24

dB

(60

mV)

Out

puts:

2-Line;

600

mV/50

kQ

|

1-Headphone;

60

mV/8

Q

Head:

3-in-1,

8-track

2-channel

stereo

head

Fast

forward

speed:

Approx.

19cm/s

(7-1/2'/s)

Power

requirement:

AC;

90—109/110—125/200—

219/220—250V,

50-60

Hz

Pre-set

power

voltage

110—125V,

220—250V

for

Europe

Power

consumption:

9W

Dimensions:

~315.0mm(W)

X

200.0mm(H)

X

92.5mm(D)

[12-1/2"(W)

x

7-7/8"(H)

X

3-5/8"(D)}

=

Weight

:

6

2.88

(6

lbs,

-Z.0z)

|

Specifications

are

subject

to

change

without

notice.

Panasonic

Tokyo

Matsushita

Electric

Industrial

Co.,

Ltd.

_

1-2,

1-chome,

Shibakoen,

Minato-ku,

Tokyo

105

Japan

ITEM,

PAGE

ae

i

LOCATION.

0

OF

CONTROLS

AND:

COMPONEN

1

oiithi

eset

recat

l

~

DISASSEMBLY

INSTRUCTIONS.

+++--0-se-sessessseseeeseteseeeeetentente

nee

ntenticen

eer

eet

2

DISASSEMBLY

NOTE.

--s--ss-ssessssssesstessessessessesseeseressetenstesteseenterecensensceesensasscessessessne

at

3

:

ASSEMBLY.

NOTES

crsesesesesseeeeeteteeeneteneneneee

ss

vipiwaniandnobienseusetes

eee

ee

psiiseeeenegnins

3

MEASUREMENT

AND

ADJUSTMENT

-ccececcccctecceeet

tens

ene

enneene

ene

eneeneenes

ees

cnseeee

ent

ene

eens

enn

e

eee

4

Bacia\

uglegal

\el-2:|

|

ere

eee

ee

erent

eter

are

ere

5

CIRCUIT

BOARDS

AND

WIRING

CONNECTION

DIAGRAM

ites

resscuitis

Sante

dee

ee

ated

pea

6

ELECTRICAL.

PARTS:

LOCATION

siecuesacwsiaeanenatevecrcaner

eames

ee

ne

ene

Un

eee

ere:

6

MECHANICAL

PARTS

LOCATION

-++--ésccsssscescessseseseeceteeceeeesresseneetertaseseessesseseessesseena

ea

7

CABINET

PARTS

LOCATION

«+-+--+-sssssesseseseseesesssseesseeecaeenetensensencenesensentenensceecrscsecens

es

7

“LOCATION

OF

CONTROLS

AND

COMPONENTS

Time

Counter

&

Reset

Button

Record

Indicator

(RECORD)

[TIME

COUNTER

(MIN

-

SEC)}

see

ainnahars

ie

id

aa

(LEFT

LEVEL

-

RIGHT

LEVEL)

(PROGRAM)

-~———>——)———

|

.

|

Peemsonte

oe

ae

oe

ie

a

“O-O-|

Pause

Button

a

Microphone

[PAUSE

(MOFF

-

=

ON)]

MIC

(LEFT

:

Record

Button

(|RECORD))

RIGHT)]

Fast

Forward

Button

[FF

(@OFF

-

=ON)

Level

Adjustment

Controls

[LEVEL

(LEFT

-

RIGHT)]

Voltage

Selector

(VOLTAGE

_

SELECTOR)

ihe

Sa

peg

ERE

RIE

GH

ES

Sceeh

DURY

M

BcaE

BN

RS

TRIS

ee

ESE

eatin

Sg

ae

aed)

wi

i

Sect

os

We

Pi ee

in

te

Sa

a

ate

ee

ei

es

bk

Beene

ape

sd

ies

eta

Seg

Ok

ase

Poa

as

ek

are,

EE

ee,

bas

besad

shhn

ee

Gt

sere

Bee

ited

teen

Poet

i

Beko

ZBI

op

RE

ahs

e

Connection

Cord

ss

Power

Cord

(LINE

OUT)

(AC

IN

120V)

Connection

Cord

(LINE

IN)

Procedure

To

remove

——;

ie

Remove

——..

Notice:

See

the

disassembly

note

at

page

3.

Shown

in

fig.

———.

Case

cover

e

4

black

screws

©

?

SCYEWS

«ee

+

Back

board

°

?

screwS

«+:

i

|

Program

circuit

board

*

3

red

screws

Level

indicator

circuit

board

aa

e

?

red

screws

Front

panel

assembly

[3-54-5556

————+

Mechanism

unit

e

|

red

screw

-

*

6

screws

--:

¢

Counter

belt

----

«

2

volume

knobs

*

3

socket

----

|

°

2

red

SCTOWS

seer

teres

ens

asec

e

eens

et

one

«

2

cord

clampers

and

2

red

screws:

137334

55-—/7

Main

circuit

board

+

e

3

red

SCTOWS

o

80

ee

see

sen

scenes

nese

eeenes

DISASSEMBLY

NOTE

MECHANISM

SECTION:

Wie

ee

eee

Remove

the

brake

shaft

(M54)

from

the

brake

guide

(M4)

and

push

the

detection

rod

assembly

(M35)

up

in

the

direction

of

arrow

A.

Remove

the

mechanism

unit

while

lifting

it

aslant

as

shown

by

arrow

B.

(shown

in

fig.

A)

Detection

rod

assembly

(M35)

Record

Brake

guide

(M4)

Brake

shaft

(M54)

Fig.

A

ASSEMBLY

NOTES

MAIN

CIRCUIT

BOARD

SECTION:

When

mounting

the

main

circuit

board,

be

sure

to

check

that

the

record/playback

select

switch

(S1)

and

record

lever

assembly

(record

lever

(M40)

and

record

lever

spring

(M41))

are

properly

positioned.

(shown

in

fig.

A)

MECHANISM

SECTION:

Set

point

A

of

the

mechanism

guide

angle

to

angle

A

of

the

mechanism

unit.

(shown

in

fig.

B)

Litt

the

left

side

of

the

mechanism.

Insert

the

brake

shaft

into

the

specified

position

of

the

brake

guide,

as

shown

in

fig.

A.

Push

the

detection

rod

assembly

(M35)

up

in

the

direction

of

arrow

A.

(shown

in

fig.

A)

Slide

the

mechanism

unit

in

the

direction

of

arrow

C.

(shown

in

fig.

B)

At

this

time,

make

sure

that

point

B

of

the

detection

rod

assembly

is

inserted

into

the

opening

between

the

mechanism

unit

and

metal

boss

assembly

(M2).

QAWVO

Detection

rod!

assembly

|

Point

B

|

(M35)

Mechanism

|

unit

Angle

A

Point

A

(G20)!

a

Mechanism

oe

guide

angle

|

MEASUREMENTS

AND

ADJUSTMENTS

[eae

[ee

NOTES:

Keep

good

condition,

set

switches

and

controls

in

the

following

positions,

unless

otherwise

Specified.

@

Make

sure

head

is

clean.

©

e

Fast

forward

switch:

OFF

@

Make

sure

capstan

Is

clean.

@

Record

switch:

OFF

,

@

Judgeable

room

temperature:

20+5°C

(68

+9°F)

@

Volume

controls:

Maximum

|

_

Connect

the

LINE

OUT

cords

to

the

VTVM.

@

Pause

switch:

OFF

:

Head

height

.

Place

the

set

into

the

mode

of

program

es

| |

adjustment

_

Play

the

test

tape

QZZVTT801

and

adjust

head

:

height

adjustment

screw

for

minimum

output.

Test

tape

Sree

PROCEDURE

METHOD

MEASURING

FIGURE

Q2zVTT801

Fig.

6

|

are

*

Head

height

adjust

screw

is

shown

in

fig.

1

of

.

Oy

__

Lock

roller

Step

1.

|

sit

soe

\

9)

Ton

ae

i

|

Insert

the

standard

cartridge

In

the

cartridge

slot

and

.

ehh.

—>

spring

gauge

|

Connect

the

LINE

OUT

cords

to

the

VTVM.

}

3

|

Pressure

of

take

the

measurement

by

pulling

it

with

the

spring

3

ee

Place

the

set

into

the

mode

of

program

iL

LINE

OUT

1

pressure

roller

Sauge.

.

Play

the

test

tape

QZZVTT804

and

measure

the

Standard

value:

5}00—850g

Head

azimuth

output

(original

signal).

“

ee

oh

|

pean

.

Changeover

to

program

2,

play

and

measure

the

\2—

)

7

Crosstalk

output

(crosstalk

signal).

adjustment

.

Read

the

ratio

between

original

signal

and

crosstalk

feat

tues

|

,

signal

in

dB.

QZZ2VTT804

Tension

gauge

.

Adjustment

should

be

repeated

steps

4,

5

and

6

|

ry

f

above.

|

Standard

value:

more

than

50dB

p

h

Apply

the

tension

gauge,

push

in

the

arrow

direction

and

rogram

change

De

eae

measure

the

maximum

value

at

the

end

point.

“a6

aieeRAROIINE

OUT

eae

ta

aRN

Standard

value:

less

than

2g

Program

select

lever

|

2.

Play

the

test

tape

QZZ8FC

and

measure

the

output

|

level

on

the

VTVM.

|

;

Playback

gain

Plunger

adjustment

Standard

value:

0.6+0.1V

|

Fig.

2

.

If

measured

value

is

not

within

standard,

adjust

VR3

|

(L-CH),

VR4

(R-CH).

|

Tension

gauge

Test

tape

gaug

(Shown

in

electrical

parts

location

at

page

6.)

QZZVTT801

;

:

Place

the

set

into

the

mode

of

program

1,

and

take

the

x

-

.

Test

equipment

connection

is

shown

in

fig.

9.

|

measurement

by

pushing

the

head

downward

with

the

r

.

Place

the

set

into

record

mode.

3

Head-up

tension

|

tension

gauge.

|

.

Read

voltage

on

VTVM

and

calculate

erase

current

Standard

value:

19g

or

more

Sy

by

following

formula.

Erase

current

c

t

(A)

=

Value

read

on

VTVM

(V)

Head

azimuth

adjust

screw

adjustment

FaSe

Curren

=

10Q

|

Standard

value:

8+1mA

:

_

4.

If

measured

value

is

not

within

standard,

adjust

VR7.

one

OUT

(Shown

in

electrical

parts

location

at

page

6,)

.

Connect

the

LINE

OUT

cords

to

the

VT

VM.

|

-

.

Place

the

set

into

the

mode

of

program

1.

:

.

Play

either

a

test

tape

QZZVTT801

or

recorded

|

(0)

Heed

rari

music

tape.

|

:

4

ont

.

foererre)

Turn

head

height

adjustment

screw

counterclockwise

_

Test

equipment

connection

is

shown

in

fig.

10,

AF

oscillator

a

mrcrer

Aes

ED

to

raise

head

to

highest

position.

;

7

,

aoa

ig

7

Test

tape...

Recorded

.

Place

the

set

into

record

mode.

Fig.

10

.

Next,

turn

head

height

adjustment

screw

Clockwise,

QZZ7VTT801

°

music

tape

.

Supply

1kHz

signal

(—24

dB)

to

the

LINE

IN

cords.

gradually

lowering

head,

and

stopping

where

first

Fig.

4

_

Adjust

at

“O

dB".

|

yh

AAAAAA

sound

heard

is

at

maximum

level.

|

wea

|

A.

Adjust

the

ATT

so

that

the

output

level

at

LINE

ce

qo).

ooo

%*

Adjustment

point

(head

height

adjust

screw)

is

OUT

cords

becomes

0.5

V.

=

shown

in

fig.

1

of

step

1.

eageaaas

B.

Adjust

VR5

(L-CH),

VR6

(R-CH)

so

that

the

RH

COC

ICICICI

10

adjustment

QdB

LED

lights

up

(see

fig.

11).

| 3

“vy

VVVVVVY.

©

(Shown

in

electrical

parts

location

at

page

6)

5

3

fb}

&

Bite

.

Adjust

at

“+3dB”.

Fig.

11

A.

Adjust

the

ATT

so

that

the

output

level

at

LINE

|

.

Connect

the

LINE

OUT

cords

to

the

VT

VM.

:

oi

ie

(eee

oe

:

wh

Ad

AAAAAAA

;

.

Place

the

set

into

the

mode

of

program

2.

.

Adjust

Ch),

-GH)

so

that

the

cas

COCCI

5

Head

acu

.

Play

either

a

test

tape

QZZVTT8O1

or

recorded

7

+3dB

LED

lights

up

(see

fig.

12).

=

|

adjustment

maisie

tape.

frees.

.daeetics

.

Repeat

twice

between

4

and

5

above.

Hq

COCOICICICY

.

Adjust

head

azimuth

screw

for

maximum

level.

QZZVTT801

™

music

tape

%

i

a

A“vvy

VYVVVVYY

Fig.

5

Jer

5.

©

fo)

+dB

3

Head

azimuth

screw

is

shown

in

fig.

3

of

step

3.

Fig.

12

soe

ry

7g

hi

Sh

a

ce

aE

|

RS-856

Hi

|

;

4

4)

6

|

7

8

1

2 3

|

NOTES:

RESISTORS

CAPACITORS

: |

,

|

ERD...Carbon

ECBA

......

Ceramic

*ECOF

f:.2.,

Polypropylene

RAM

ERG...Metal-oxide

ECGD......

Ceramic

ECE

g.00

Electrolytic

SC

i

EMATIC

DIAG

ERS

...Metal-oxide

ECKD......

Ceramic

ECEON

...Non

polar

electrolytic

ERO...Metal-film

ECCD......

Ceramic

ECQS

......

Polystyrene

er

ee

ERX

...Metal-film

ECFD

......Ceramic

ECSO......Tantalum

|

er

51-2

IC1

$1-3

2SD636R

Q7

OAS0MFV

|

a

es

gente

cnt

fy

et

ERQ...Fuse

type

metallic

ECQOM......

Polyester

film

QCS_.......

Tantalum

UPC1186H2

[2SD636S]

2SD638R

[20A90]

|

“]

ERC...Solid

ECOQE

......

Polyester

film

A

|

PLAYBACK

EQ

a)

MUTING

LINE

AMP

LINE

AMP

j

'C2,3

BA6S6

|

ERF

...Cement

|

1

Pog

at

RIL

82K

QQ

|

REVEL

INDICATOR

!

B+

(bias

uN

me

ta

RS,

120K

ener

=m

—

|

REPLACEMENT

PARTS

LIST

89K

R4l

4.7K

|

Important

safety

notice

Q5

A 0

|

Components

identified

by

A

mark

have

special

characteristics

important

for

Safety.

F

a4

820K

|

l

When

replacing

any

of

these

components,

use

only

manufacturer's

specified

parts.

D

|

Part

No.

Part

No.

Ref.

No.

Part

No.

@

|

C44

ECEA1CS471

RESISTORS

CAPACITORS

C46

ECFWD103MxY

.

ue

|

R1,2

ERD25FJ561

C1,2

ECKD1H102KB

|

!

R3,

4

ERD25TJ124

C3,

4

ECEA2AS010

TRANSISTORS

ly

|

R5,

6

ERD25FJ222

|

C5,

6

ECEAICS330

—-1Q1,2,3,4,5'6

C23

0.0033

R7,8

ERD25FJ101

C7,8

ECKD1H222KB

2SD636S

‘

PLAYBACK

<>

State

>

|

R11,

12

ERD25TJ823

C11,

12

ECFWD153MXY

|Q11,

12

2SD636S

B

HEAD

a

Y

|

l

R13,14

|

ERD25FJ560

«113,14

|

ECKD1H331KB

1013.14

|

2SD592NCR

(WYB12A)

|

s-4

$1-5

$1-6

-

Ad

ae

ge

A

|

R15,16

|

ERD25FJ822-|C15,16

|

ECEAIHSR11

|

8

R17,

18

ERD25TJ333

C17,

18

ECEA2AS010

DIODES

&

|

boo

oo

ai

ear

SSDS

|

msz0/emoseca

|ois20

scenes

necriiens

Ra

ibor

|

C21,22

|

ECEASOZR33.

«p12

20A90

LINE

ae

aa

3

|

R21,22

|

ERD257J824

D3,4

MA161

Weick

“egy

aor

|

R23,24

/

ERD25FJ271

©

|C23,24

~—-|

ECFWD332MXY

|D5,

6

SM112

an

|

R25,

26

ERD25FJ562

C25

ECEA1CS101

D7,8,9,

10,

11,

12

|

.2V)

C10

|

R27,28

|

ERD25TJ274

|

C26

ECFDD104MXY

A

|

SM112

i

R29,

30

ERD25TJ823

C31

ECQM1H152KZ

D13,

14,15,

16,17

©

|

R31,

32

ERD25FJ151

C32

ECQM1H223KZ

LN21RP

a

ons

Rip

8.2K

os

|

R33,

34

|

ERD25FJ101

{33,34

|

ECKD1H222KB

{p18,19

|

LNOS201PKL

|

R10

1K

|

R35,36

—_

|

ERD25FJ390

=

son

;

a

D20

MA1110

123

|

10K

R37,

38

ERD25FJ222

|

Pek

!

R39,40

|

ERD25FJ392

|

C37

ECEAIES470

THYRISTOR

|

C38

ECEA1CS221

SCR1

M21C

3

|

R41,42

|

ERD25FJ472

:

SS

De

TO

0

ne

rs

R43,

44

ERD25FJ103

C39

ECFWD103MXY

Geeuahakes

tee

EAYBA

CK

<>

‘an

R45,46

|

ERD25FI271

‘|

C40

ECEAICS221

HEAD

wy.

Se

rege

R47,48

|

ERD25TJ183

|

C41,42

|

ECEAICSA71

~—‘Jicy

UPC1186H2

Q9,

a

2SD636R

Qi2

Sot

Se

Sty

eee,

2,

=

ERD25FJ152

[C43

A

ECEAICS471

~—‘f

12,3

QViBA656

2sD638F

si.

[2SD636S)

si-7

2SD636R

Q13

1

ERD25FJ472

[2SD636S]}_

§

2SD592NCR

Q14

D7—12

|

R51,52

|

ERD25FJ471

€33.

0.0022

z

03

MOTOR

DRIVER

MOTOR

DRIVER

D5,

6

2SD592NCR

1SR35200FV

R53,54

|

ERD25FJ221

7

OD

R74

1SR35200

REGULATOR

[SM112]

|

ERD25FJ100

Part

No.

Part

Name

&

Description

Pagy.

S611

[SM112]

B+

(bias)

|

R62,63

|

ERD25FJ3R9

}

[i

ee

SB

R76

|

ann

ERD25FJ822

T1

QLBO170S

Bias

Oscillation

Transformer

Rey

|

KILLER

ERD25FJ103

T2

A

|

QLPN43HJX

Power

Transformer

ERASE

l

ERD25FJ102

en

ERD25FJ103

SWITCHES

R69

ERD25FJ102

Sl

QSSA206

Slide

Switch

=,

ERD25FJ272

(Record/Playback

Selector)

<

Rp

C4

ERD25FJ103

$2

QSW4211

Slide

Switch

D

=

AC

IN

ERD25FJ392

(Fast

Forward

ON/OFF)

ERD25FJ821

$3

Refer

to

M68

and

M71

ERD50FJ560

Rotary

Switch

(Program

Indicator)

R70

FUSE

0.5A

$4

QSB0226MS

Leaf

Switch

(Program

Selector)

2.7K

L

ERG2ANJ330

$5

Refer

to

M29

Sensing

Switch

ERD50FJ220

56

QSB0232M

Leaf

Switch

(Cartridge

Detection)

D20

D3,

4

Se

Oe

A

|

ERD25FJ272

$7

A

|

QSM0062

Micro

Switch

(Power

ON/OFF)

IMA1110]

R78,79

Aj}

ERD25FJ152

$8

A

|

QSR1403H

AC

Power

Voltage

Select

Switch

boo

att)

mato

O-0

-O

—

4

ERD25FJ101

ince

55

ERD25FJ1RO

—

J1,2

QEJ2001

Microphone

Jack

VARIABLE

J3

QJA0249H

Headphones

Jack

RESISTORS

eee

VR1,2

|

EVHGHAF25A54

BOSE.

B

bial.

VR3,4

|

EVNK4AA00B54

A|XBALEOSNR3

|

Fuse

;

9

DI4-17

Q

y)

VR5,

6

EVNK4AA00B14

|

LNI2IR

VR7

|

EVNK4AA00B54

Ln

a

et

SPECIFICATIONS

*

Volume

controls

maximum.

;

NOTES:

EQ

UIVALENT

CIRCUIT

e

$1-1—S1-10......

Record/Playback

Select

switch

(shown

in

playback

position).

*

Resistance

are

in

ohms

(Q),

1/4

watt

unless

specified

otherwise.

IC2.

3

BAGS6

¢

$2-1—S2-3

......

Fast

Forward

ON/OFF

switch

(shown

in

OFF

position).

K

=

1,0002,

M

=

1,000KQ.

4

dats

Dn

REE

SPC

NO

Program

indication

select

(switch

shown

in

program

1

position).

¢

Capacity

are

in

microfrads

(uF)

unless

specified

otherwise.

vec

VREF

6

4

eos

wines

Program

selector

(shown

in

OFF

position).

P

=

Pico-farads.

1

kHz:

100#z:

7.5kHz:

+1+5dB

OdB

Th

dB

Playback

frequency

response

«

Use

test

tape

QZZ8FC

‘cas

(9)

=

&

ep

ne

>

Bie

2

=

(3)

~~

(4)

~—

iad

are

|<

eee

ne

Sensing

switch

(shown

in

OFF

position).

*

The

mark

(¥)

shows

test

point.

e.g.

V

=

Test

point

1.

|

OSG

os

otvesisheseatens

Cartridge

detection

switch

(shown

in

OFF

position).

*

All

voltage

values

shown

in

circuitry

are

under

no

signal

condition

and

record

Playback

S/N

ratio

40

dB

or

more

|

i>

7

are

er

eh

Power

ON/OFF

switch.

~

mode

with

volume

control

at

minimum

position.

;

|

OSB

i

isiitelensienengies

AC

Power

voltage

select

switch.

For

measurement,

use

VTVM.

Bias

oscillation

frequency

|

OVA.

seceseceetes

Volume

control.

*(

(©)

)

this

arrow

indicates

the

flow

of

the

playback

Signal.

F

VR

©

VR3,4

oo...

Playback

gain

adjustment

VR.

e

(

»

)

this

arrow

indicates

the

flow

of

the

recording

signal.

os

1a

0.3mA

=

Reg

ae

B

t

©

VR5,6

oo...

Level

indicator

adjustment

VR.

laS

Curren

[Measure

at

TP2(L-CH),

TP3

(R

CH)]

|

Le

VRT

ec

Erase

current

adjustment

VR.

¢

This

schematic

diagram

may

be

modified

at

any

time

with

:

|

the

development

of

new

technology.

Sea

ianod

MIC:

_72+4d8

a:

.*

andard

recording

level

-

|

:

7 |

LINE

IN:

—24+4dB

lo

ae

=a)

|

(00)

ar]

ad

=

CIRCUIT

AIR

Nese

nncetii

het

ENP

NPE

ONE

SERRE

REESE

AONE

ELLE

AEP

GEEOCES

EIS

BSAA

SIAL

SUNEAARE

Dt

abentpestespieséoenspaseeasnipiictedensravsmnesnraneapied

sototeneeene

BRN

a

oe

&

#

oa

sok

AR

BLK}

VLT|GRN

:

S5:

SENSING

SIDE

VIEW

SWITCH

IC1

UPC1186H2

|

SWITCH

(S3)

LB

|

CIRCUIT

|

:

.

J

war

IC2,

3

BAGS56

|

P

RZ.

|

aN

SOLENOID

COIL

$

|

/\

SLD

RED/A

Le

|

~

|

Nee

ee

‘

|

WHT

S)

S

rN}

|vut

MIC

IN

JACK

:

ies

i

ae

T2:

POWER

|

,

ie

ee

ac

TRANSFORMER

|

CARTRIDGE

DETECTION

®]

|

:

SWITCH

-=

:

|

S8:

AC

POWER

:

VOLTAGE

|

SELECT

|

SWITCH

SA

8a

BT

@QOOOOaS

t(D

Pa

Cc

m

rm

=

el

i.8v|

2SD636R

rc

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rey

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ra

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0.0-V-]

2SD636S)

Bee

ats

E23:

SPARK

-

Ch

8V

leanrasnan

‘

epg

yi

Se

SS2NCR

KILLER

FEL

iS

F1:

FUSEO.5A

$7:

POWER

ON/OFF

SWITCH

2

NOTES:

E

:

BLK

--+.-:

Black

BLU

...-..

Blue

BRN

-..---

Brown

GRY

«+:

Gray

GRN.--:.-

Green

L.

BLU---

Light

Biue

|

NIL

eee.

No

Color

Mark

:

|

ORG:

sss

Orange

Seeoteeliene!

2

BR

BEE

RED

:.--..

Red

_|

AG

FOWER

SLD’:

.++.:

Shield

Wire

Bray

CORD

Wie,

Violet

(el

ove

WHT.-:---:

White

(eC

ov

|

YEL

«+--+:

Yellow

F

NOTES:

#

The

circuit

shown

in

£4

n

the

conductor

is

B+

(bias)

circuit.

e

The

circuit

shown

in

;

on

the

conductor

indicates

printed

circuit

on

the

back

side

of

the

printed

circuit

board.

[erence

e

Values

indicated

in|

:

are

DC

voltage

between

the

ground

and

electrical

parts.

e

The

voltage

indicates

are

measured

during

record

mode.

eee

LEVEL

INDICATOR

CIRCUIT

BOARD

OO

©OODOO}

R73

A

7

4

igi

,

z

R53

&

OSS

SIR

BRS

AN

Na

resent

Boe

ee

ODOOOOHA

ay

cesneonconnecense

BLK]

VLTIGRNI

SIDE

VIEW

IC1

UPC1186H2

WHT

wet

IC2,3

BA6SG6

oe

|

aeons

T2:

POWER

one

rere

cette

ene

ae

TRANSFORMER

~

CARTRIDGE

DETECTION

:

SWITCH

PISS

a

S8:

AC

POWER

:

=

ORG

VOLTAGE

¢

SELECT

BLU

SWITCH

|

1D

eS

fatacoct

ee

E23:

SPARK

oA

;

fe

POSS

Le’

28D592NC

KILLER

Ae

&

cyg

CIRCUIT

BOARD

Recess

F1:

FUSE0.5A

Z

;

een

E16

S7:

POWER

|

5

REPLACEMENT

PARTS

LIST

ON/OFF

SWITCH

NOTES:

important

safety

notice

-

1

BEKess:.

Black

Components

identified

by

A

mark

have

Special

characteristics

important

for

safety.

BLU

..-...

Blue

When

replacing

any

of

these

components,

use

only

manufacturer’s

Specified

parts.

BRN

..--.-

Brown

—

:,

GRY

------

Gray

Part

No.

Part

Name

&

Description

Ref.

No.

|

Part

No.

Part

Name

&

Description

GRN..--.-

Green

|

EYES

|

Pe

:

L.

BLU--.

Light

Blue

ELECTRICAL

PARTS

7

E15

XTN3+6B

Tapping

Screw

®3x6

NIL

cee

No

Color

Mark

Fe

Tae

:

|

fas

pe

ae

ee

El

WY8128-

Head

(Record/Playback/Erase)

|

£16

)ATNS+8B

|

Tapping

Screw

@3x8

ORG

Orange

aa

eS

E17

XTN3+16B

|

Tapping

Screw

@3X16

eee

PNK

oo

5.

:

Pink

E2

QJT1054

i

Contact

;

a

S

Crevenen

cee

E

£3

OJS1921TN

3

Socket

E18

|

XTN264+12B

Tapping

Screw

@2.6x12

AC

POWER

EB

oe

ed

a

a:

E19

XTS2+6B

~

Tapping

Screw

@2x6

SED

Shield

Wire

E4

QJP1921TN

3

Post

£20

A|RJA

AC

P

CORD

VET

5

Violet

E5

0FC2133

Cord

(LINE

IN/OUT)

a

|

res

oe

Aa

WHT------

White

E6

|

QsT1041

Terminal

ok

Se

1126

Ee

YEL

------

Yeliow

F

E7

QMA4039

Volume

Angle

QTF1032

use

Holder

E8

XWS8AW

|

Washer

8¢

E23

|

QCROGOgT

Spark

Killer

NOTES:

59

LYNS@

|

Nut

86

E24

(QTW1118

|

Spark

Killer

Cover

e

The

circuit

shown

i

/on

the

conductor

is

B+

(bias)

circuit.

F10

ONO1070

[Nut

£25

QMF

1982

|

Switch

Angle

:

e

The

circuit

shown

t

/

=

on

the

conductor

indicates

printed

circuit

on

the

back

Fll

|

ie

ee

3¢

E26

-QMA4329

Fuse

Angle

:

side

of

the

printed

circuit

board.

a

E27

—{QTDI1

|

Nylon

Binder

-

bee

ee

aucUle!

E12

XSN3+6S

|

Screw

3x6

£181:

Enon

Binder.”

®

Values

indicated

in

__.__

are

DC

voltage

between

the

ground

and

electrical

parts.

£13

07D

1297

le

;

Cig

£28

XTN3466

Screw

O3x6°

ane

ae

(D1297,

=

Cord

Clamper

i

ee

|

@

The

voltage

indicates

are

measured

during

record

mode.

ay

wes

Weare

ae

£29

/RME

14474

Binder

i

Ss

-

f

2

REPLACEMENT

PARTS

LIST

}

Ret No,

|

PartNo.

|

Part

Name

&

Description

}

Retna,

|

PartNo,

Part

Name

&

Description

Retna.

|

PartNo,

|

Part

Name

&

Description

QXF0173

QMB1275

0TS1439

QMG0100

QMA3405

QMA3407

QMF1965

QHQ1276

QDP1882

QMB1362

QML3334

MECHANICAL

PARTS

M19

M20

Flywheel

Assembly

Metal

Boss

Assembly

M21

Shield

Plate

(for

Motor)

M22

Brake

Guide

M23

Solenoid

Angle

M24

Guide

Plate

M25

Switch

Guard

M26

Solenoid

Core

M27

Ratchet

Gear

M28

Ratchet

Bush

M29

M30

Click

Lever

Capstan

Pulley

M31

Lock

Roller

M32

Guide

Roller

M33

Felt

M34

Head

Spring

M35

Lock

Roller

Spring

M36

Selector

Spring

M37

QBT

1484

QBC1314

QDB0246

QZE0017

XTN3+10B

QMA3408

QMF1979

QXxU0244

QMA3406

QMH2030

QBT1745

OXxK2442

QXRO727

QDP1886

QBW2012

3

MECHANICAL

PARTS

LOCATION

Click

Lever

Spring

Flywheel

Spring

Flywheel

Belt

Solenoid

Coil

-Plastic

Washer

4¢

Steel

Ball

Stop

Ring

3¢

Head

Azimuth

Adjust

Screw

Tape

Guide

Sencing

Plate

Motor

Assembly

Head

Plate

.

Head

Supporter

Record

Rod

Spring

Record

Base

Plate

Assembly

Detection

Rod

Assembly

Roller

Poly

Washer

M38

M39

M40

M42

M43

M44

M45

M46

M47

M48

M49

M50

M51

M52

M53

M54

M55

M56

M57

XUCI5FT

QXR0720

QML3704

0BN1798

QMCO0118

QMR1898

QML3705

QML3706

QML3707

QML3708

QHQ1285

QBT1558

QBT1701

QBN1799

QBN1801

QBN1800

QBN1797

QBG1275

QBW2063

XUC2FT

Stop

Ring

1.5¢

Pause

Rod

Assembly

Record

Lever

Record

Lever

Spring

Collar

Record

Rod

Pause

Lever

Lock

Plate

Record

Lock

Plate-A

Record

Lock

Plate-B

Screw

Pause

Lever

Spring

Record

Lock

Spring-A

Lock

Plate

Spring

|

Rod

Spring

Record

Lock

Spring-B

Brake

Shaft

Stopper

Plastic

Washer

Stop

Ring

2¢

Switch

Circuit

|

Board

[am

|

am

M58

XUC25FT

M59

XUC3FT

M60

XUC5FT

M61

XWG3

M62

XTN3+14B

M63

XTN3+12B.

M64

XTN3+25B

M65

XTN3+30B

M66

XSN26+3

M67

|

0DB0207

M68

QMD0017

M69

0BC1278

M70

0HQ1275

M71

QBP1891

M72

0ML3333

M73

0DC0137

-

M74

XTN3+8B

M75

XTS3+6B

M76

XTS2+6B

M77

XTN3+16B

Part

Name

&

Description

Stop

Ring

2.5¢

Stop

Ring

3¢

Stop

Ring

5¢

Washer

3¢

Head

Height

Adjust

Screw

Tapping

Screw

#3

X12

Tapping

Screw

3X25

Tapping

Screw

®3

x

30

Screw

$2.6X3

Counter

Belt

Cam

Head

Spring

Cam

Shaft

Contact

Plate

Program.

Select

Lever

Tape

Counter

Tapping

Screw

4:3

X8

Tapping

Screw

3X6

Tapping

Screw

2x6

Tapping

Screw

®3

X16

SPECIFICATIONS

Wow

and

flutter

*

Use

test

tape-----

Tape

speed

accuracy

|

*

Use

test

tape-----

t=

btotol

oma

atortst.

8

0.35%

or

less

(RMS)

+

3%

or

less

RE

imp

Con

Whit

asa

laid

al

ERR

ar

ai

ete

Sn

Se

Kin

as

i

toe

ae

OP

oe

ne

&

Description

@

sembly

Spring

late-A

late-B

pring

pring-A

ing

pring-B

Ref.

No.

M58

M59

Part

No.

XUC25FT

XUC3FT

XUC5FT

XWG3

XTN3+14B

XTN3+12B.

XTN3+25B

XTN3+30B

XSN26+3

QDB0207

QMD0017

Q8C1278

0QHQ1275

QBP1891

QML3333

QDC0137

XTN3+8B

XTS3+6B

XTS2+6B

XTN3+16B

Part

Name

&

Description

Stop

Ring

2.5¢

Stop

Ring

34

Stop

Ring

54

Washer

3¢

Head

Height

Adjust

Screw

Tapping

Screw

3x12

Tapping

Screw

3X25

Tapping

Screw

3

X30

Screw

62.6X3

Counter

Belt

Cam

Head

Spring

Cam

Shaft

Contact

Plate

Program

Select

Lever

Tape

Counter

Tapping

Screw

®3x8

Tapping

Screw

®3

x6

Tapping

Screw

@2

x6

Tapping

Screw

3

x

16

SPECIFICATIONS

Wow

and

flutter

*

Use

test

tape

Tape

speed

accuracy

*

Use

test

tape

QZZ8WA

RS-856

CABINET

PARTS

LOCATION

—$

cf

/

076

6

)——~c23

REPLACEMENT

PARTS

LIST

Important

safety

notice

F

Components

identified

by

A

mark

have

Special

characteristics

important

for

Safety.

When

replacing

any

of

these

components,

use

only

manufacturer's

specified

parts.

Part

Name

&

Description

Part

No.

Part

Name

&

Description

Bottom

Chassis

Record

Angle

Mechanism

Angle-A

(Front

Side)

Mechanism

Angle-B

(Rear

Side)

P.C.B.

Angle

Transformer

Angle

Panel

Reinforcement

Angle

Mechanism

Guide

Angle

Rubber

Foot

CABINET

PARTS

——

ARIS

QYP1001

|

Front

Panel

Assembly

QGG0167

Guide

Plate

QKF

1487S

Cartridge

Lid

~

QMN1684

Lid

Shaft

QBN7005

Lid

Spring

.

QYQ0300

Push

Button

Assembly

QG01431H

Push

Button

(Fast

Forward

ON/OFF)

Case

Cover

QG01805

Push

Button

(Program

Selector)

Volume

Knob

QBC1245

Switch

Spring

Washer

3¢

0.35%

or

less

(RMS)

QKS1302

Back

Board

Tapping

Screw

$3x8

Reinforcement

Plate

Tapping

Screw

3x6

+3%

or

less

XTB3+6BFZ

”

QHQ1299

Screw

ACCESSORIES

LL

Seeneeeeeeere

A2

A

|

XBALEO5NR3

Fuse

(Spair)

PACKINGS

Inside

Carton

Cushion

QPN4094

QPA0588

XZB42X46A02

Part

Name

&

Description

XSN3+105S

Screw

$3

X10

QQT3139

Instruction

Book

XZB6X9A05

Poly

Bag

(for

Fuse):

Poly

Bag

(for

Unit)

oo,

Printed

in

Japan

:

REN

Mey

ee

REET

ae

ee

oe

ee

Nee

EN

ee

ET

a

ee

a

eee

Panasonic RS-856 User manual

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